N57M5114VP2D50TG

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Data acquisition and control are lately occurring topics in embedded systems. Quality measurements of the systems are demanded for reliable and consistent results. Digital potentiometers are commonly used for these purposes. They provide stable results, broad adjustment span and small size.

The N57M5114VP2D50TG is a digital potentiometer designed to control resistances in power supplies, voltage dividers and also in ADCs and DACs. Its highly stable characteristics, maximum resistance, offset and on-board reference set the N57M5114VP2D50TG apart from other such devices. With temperature compensation and trimming, a nearly uniform resistance can be guaranteed from -40°C to +125°C.

N57M5114VP2D50TG works by using two external references (Vref and Iref) as well as various digital signals like CS, RD and WR which allow to communicate with the device. In addition to these, it also has the Wiper terminal, the key to adjust the resistance. When the CS is activated, the digital words written to the RD and WR pins are decoded. Depending upon the pattern of digital words and the current settings of the Vref, Iref and the Wiper, the on board reference and the Wiper of N57M5114VP2D50TG work in coordination to properly adjust the resistance.

The N57M5114VP2D50TG is clocked by a built-in 200kHz clock for adjusting the resistance. It also has a trimming potentiometer for reliable performance and low thermal coefficients. The device is available in an SO-8 package and has an impedance range from 10 ohms to 500 ohms. It has a maximum tolerance of 0.1%.

N57M5114VP2D50TG can be used in a variety of applications like power supplies, voltage dividers, transimpedance amplifiers, ADCs and DACs. For example, it can be used in a stabilization circuit to keep the input voltages within the specified limits. It can also be used in an audio system to adjust the impedances of speakers and microphones, which helps to optimize their performances in terms of sound quality and input/output level.

To sum up, N57M5114VP2D50TG is an ideal choice when it comes to applications involving resistances. Its digital control makes it easy to set the resistance and its temperature compensation ensures that the resistance remains steady over temperature variations. Its small size and low tolerance makes it suitable for various applications and its tweakable on-board trimming and references provide a good range of adjustable resistance.

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